http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Agricultural resources and environmental indicators (AREI) database and mapping tool
Title from caption (viewed Oct. 15, 2003).
Mode of access: Internet from the ERS web site. Address as of 7/15/04: http://www.ers.usda.gov/Data/AgResources/; current access is available via PURL.